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tifoanug tifoanug
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Posts: 525
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6 years ago
This joint is recommended, on aluminum alloys, when welding pipe or any time the weld is accessible from only one side:
 
  A) Standard V joint B) V-groove with backing
  C) Extended land bevel D) None of the above

 Q. 2

With reactive metals, atmospheric elements of oxygen, nitrogen and hydrogen are absorbed at elevated temperatures causing:
 
  A) Embrittlement B) Distortion C) Corrosion D) discoloration

 Q. 3

How does excess air affect the vent gas CO2 percentage?
 
  A) Excess air completely eliminates CO2 in the vent gas
  B) Excess air reduces the vent gas CO2 percentage
  C) Excess air increases the vent gas CO2 percentage
  D) Excess air has no effect on vent gas CO2 percentage
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nick1028nick1028
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#1
Posts: 320
Rep: 1 0
6 years ago
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tifoanug Author
wrote...
#2
6 years ago
Thanks a whole bunch, all were right.
wrote...
#3
6 years ago
Thanks for confirming...
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